2025 GMC Sierra 2500HD AT4 Duramax 4WD | Clean CARFAX | Like-New MilesHard to find and built to tackle the toughest jobs, this 2025 GMC Sierra 2500HD AT4 combines premium comfort with serious heavy-duty capability. Powered by the legendary 6.6L Duramax V8 Turbo Diesel paired with the Allison 10-speed automatic transmission, this AT4 is ready for towing, hauling, off-road adventures, or everyday driving.Finished in Onyx Black with a premium Jet Black leather interior featuring Kalahari accents, this Sierra delivers rugged style with upscale comfort. With 13,531 miles below market average and a Clean CARFAX, you're getting a nearly new heavy-duty truck without the new-truck price.Vehicle Highlights✔ 2025 GMC Sierra 2500HD AT4✔ 6.6L Duramax V8 Turbo Diesel✔ Allison 10-Speed Automatic Transmission✔ 4WD✔ Onyx Black Exterior✔ Jet Black Leather Interior with Kalahari Accents✔ AT4 Off-Road Package✔ Clean CARFAX✔ 13,531 Miles Below Market Average✔ Crew CabThe AT4 trim is built for those who demand more from their truck, offering off-road capability, premium technology, and a refined interior without sacrificing heavy-duty performance. Whether you're towing a large trailer, heading to the ranch, or taking a weekend trip, this Sierra is equipped to handle it all with confidence.At Premier Chrysler Dodge Jeep RAM of Lamesa, we're proud to serve customers across Lamesa, Lubbock, Midland, Odessa, Big Spring, Brownfield, Snyder, Abilene, San Angelo, Hobbs, NM, and beyond. As West Texas' Work Truck Headquarters, we specialize in hard-to-find trucks and sell nationwide.Don't miss this like-new Duramax AT4. Call today to schedule your test drive or ask about nationwide delivery!